Profile shouldn't own background page stuff.

chrome/browser/extensions/app_background_page_apitest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string_util.h"
 #include "chrome/browser/background_contents_service.h"
+#include "chrome/browser/background_contents_service_factory.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/test/ui_test_utils.h"
 #include "net/base/mock_host_resolver.h"
 
 class AppBackgroundPageApiTest : public ExtensionApiTest {
@@ skipping 100 matching lines @@
       "  \"background_page\": \"http://a.com:%d/test.html\""
       "}",
       test_server()->host_port_pair().port(),
       test_server()->host_port_pair().port());
 
   FilePath app_dir;
   ASSERT_TRUE(CreateApp(app_manifest, &app_dir));
   ASSERT_TRUE(LoadExtension(app_dir));
 
   const Extension* extension = GetSingleLoadedExtension();
-  ASSERT_TRUE(browser()->profile()->GetBackgroundContentsService()->
-                  GetAppBackgroundContents(ASCIIToUTF16(extension->id())));
+  ASSERT_TRUE(
+      BackgroundContentsServiceFactory::GetForProfile(browser()->profile())->
+          GetAppBackgroundContents(ASCIIToUTF16(extension->id())));
 }